自由软件的正确含义 “ Freesoftware” is a matter of liberty, not price. To understand the concept, you should think of “free” as in “free speech”, not as in “free beer”
Free Software 的定义The freedom to run the program, for any purpose (freedom 0).
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The freedom tostudy how the program works, and adapt it to your needs (freedom 1). Access to the source code is a precondition for this.
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The freedom toredistribute copies so you can help your neighbour (freedom 2).
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The freedom toimprove the program, and release your improvements to the public, so that the whole community benefits (freedom 3). Access to the source code is a precondition for this.
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Eric Steven ReymondGiven enough eyeballs, all bugs are shallow 大教堂与集市 The Cathedral and the Bazaar
自由软件 vs. 开源软件1998 年, Raymond 和 Bruce Perens 创立开放源代码促进会 Open Source Initiative
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“ I amhonored to follow Doctor Richard Stallman, the giant upon whose shoulders Open Source stands. When I say Open Source, I mean the same thing that Richard means when he says Free Software. There has been factionalism, but only because of personalities that no longer matter” -- by Bruce